137 entries under large topic. ×

8
astronomical(adjective, huge, expensive, high-priced)
7
bulky(adjective, strong, great, big, powerful)
7
cavernous(adjective, hollow)
7
grand(adjective, strong, great, big, powerful)
7
mountainous(adjective, great, big, huge)
7
sizable(adjective, open, great, big)
7
comprehensive(adjective, great, thick, huge)
7
widespread(adjective, open, big, space)
6
commodious(adjective, open, huge, extensive)
6
grandiose(adjective, great, big, extravagant)
6
illimitable(adjective, complete, huge, unrestrained)
5
extended(adjective, open, big, space)
5
far-reaching(adjective, spread, big, grand)
5
never-ending(adjective, absolute, huge, immense)
4
considerable(adjective, strong, great, big, powerful)
4
copious(adjective, great, big, huge)
4
deep(adjective, complete, spread, thick)
4
far-flung(adjective, big, grand, huge)
4
impressive
4
strong(powerful, significant, forceful, considerable)
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APASmart Define. (2015). vast thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/vast/thesaurus/synonyms
ChicagoSmart Define. 2015. "vast thesaurus" https://smartdefine.org/vast/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, vast thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/vast/thesaurus/synonyms>.
MLASmart Define. "vast thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/vast/thesaurus/synonyms>